<!DOCTYPE html>
<html>
    <head>
        <meta charset='utf-8'>
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <script src="../lib/esl.js"></script>
        <script src="../lib/config.js"></script>
        <script src="../lib/jquery.min.js"></script>
    </head>
    <body>
        <style>
            html, body, #main {
                width: 100%;
                height: 100%;
                margin: 0;
                padding: 0;
            }
        </style>
        <div id="main"></div>
        <script>

            require([
                'echarts',
                'ecStat'
            ], function (echarts, ecStat) {

                var chart = echarts.init(document.getElementById('main'));

                var data0 = [
                    [28604,77,17096869,'Australia',1990],
                    [31163,77.4,27662440,'Canada',1990],
                    [1516,68,1154605773,'China',1990],
                    [13670,74.7,10582082,'Cuba',1990],
                    [28599,75,4986705,'Finland',1990],
                    [29476,77.1,56943299,'France',1990],
                    [31476,75.4,78958237,'Germany',1990],
                    [28666,78.1,254830,'Iceland',1990],
                    [1777,57.7,870601776,'India',1990],
                    [29550,79.1,122249285,'Japan',1990],
                    [2076,67.9,20194354,'North Korea',1990],
                    [12087,72,42972254,'South Korea',1990],
                    [24021,75.4,3397534,'New Zealand',1990],
                    [43296,76.8,4240375,'Norway',1990],
                    [10088,70.8,38195258,'Poland',1990],
                    [19349,69.6,147568552,'Russia',1990],
                    [10670,67.3,53994605,'Turkey',1990],
                    [26424,75.7,57110117,'United Kingdom',1990],
                    [37062,75.4,252847810,'United States',1990]
                ];

                var data1 = [
                    [44056,81.8,23968973,'Australia',2015],
                    [43294,81.7,35939927,'Canada',2015],
                    [13334,76.9,1376048943,'China',2015],
                    [21291,78.5,11389562,'Cuba',2015],
                    [38923,80.8,5503457,'Finland',2015],
                    [37599,81.9,64395345,'France',2015],
                    [44053,81.1,80688545,'Germany',2015],
                    [42182,82.8,329425,'Iceland',2015],
                    [5903,66.8,1311050527,'India',2015],
                    [36162,83.5,126573481,'Japan',2015],
                    [1390,71.4,25155317,'North Korea',2015],
                    [34644,80.7,50293439,'South Korea',2015],
                    [34186,80.6,4528526,'New Zealand',2015],
                    [64304,81.6,5210967,'Norway',2015],
                    [24787,77.3,38611794,'Poland',2015],
                    [23038,73.13,143456918,'Russia',2015],
                    [19360,76.5,78665830,'Turkey',2015],
                    [38225,81.4,64715810,'United Kingdom',2015],
                    [53354,79.1,321773631,'United States',2015]
                ];

                var data = [
                    [28604,77],
                    [31163,77.4],
                    [1516,68],
                    [13670,74.7],
                    [28599,75],
                    [29476,77.1],
                    [31476,75.4],
                    [28666,78.1],
                    [1777,57.7],
                    [29550,79.1],
                    [2076,67.9],
                    [12087,72],
                    [24021,75.4],
                    [43296,76.8],
                    [10088,70.8],
                    [19349,69.6],
                    [10670,67.3],
                    [26424,75.7],
                    [37062,75.4],
                    [44056,81.8],
                    [43294,81.7],
                    [13334,76.9],
                    [21291,78.5],
                    [38923,80.8],
                    [37599,81.9],
                    [44053,81.1],
                    [42182,82.8],
                    [5903,66.8],
                    [36162,83.5],
                    [1390,71.4],
                    [34644,80.7],
                    [34186,80.6],
                    [64304,81.6],
                    [24787,77.3],
                    [23038,73.13],
                    [19360,76.5],
                    [38225,81.4],
                    [53354,79.1]
                ];

                var myRegression = ecStat.regression('logarithmic', data);

                chart.setOption({
                    legend: {
                        data: ['1990', '2015']
                    },
                    title: {
                        text: '1990 与 2015年各国人均寿命与GDP'
                    },
                    tooltip: {
                        trigger: 'axis',
                        axisPointer: {
                            type: 'cross'
                        }
                    },
                    xAxis: {
                        type: 'value',
                        splitLine: {
                            lineStyle: {
                                type: 'dashed'
                            }
                        },
                    },
                    yAxis: {
                        type: 'value',
                        splitLine: {
                            lineStyle: {
                                type: 'dashed'
                            }
                        },
                    },
                    series: [{
                        name: '1990',
                        type: 'scatter',
                        symbolSize: function (data) {
                            return Math.sqrt(data[2]) / 5e2;
                        },
                        label: {
                            emphasis: {
                                show: true,
                                formatter: function (param) {
                                    return param.data[3];
                                },
                                position: 'top'
                            }
                        },
                        itemStyle: {
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                                shadowColor: 'rgba(120, 36, 50, 0.5)',
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                                color: new echarts.graphic.RadialGradient(0.4, 0.3, 1, [{
                                    offset: 0,
                                    color: 'rgb(251, 118, 123)'
                                }, {
                                    offset: 1,
                                    color: 'rgb(204, 46, 72)'
                                }])
                            }
                        },
                        data: data0
                     },{
                        name: '2015',
                        type: 'scatter',
                        symbolSize: function (data) {
                            return Math.sqrt(data[2]) / 5e2;
                        },
                        label: {
                            emphasis: {
                                show: true,
                                formatter: function (param) {
                                    return param.data[3];
                                },
                                position: 'top'
                            }
                        },
                        itemStyle: {
                            normal: {
                                shadowBlur: 10,
                                shadowColor: 'rgba(25, 100, 150, 0.5)',
                                shadowOffsetY: 5,
                                color: new echarts.graphic.RadialGradient(0.4, 0.3, 1, [{
                                    offset: 0,
                                    color: 'rgb(129, 227, 238)'
                                }, {
                                    offset: 1,
                                    color: 'rgb(25, 183, 207)'
                                }])
                            }
                        },
                        data: data1
                     },{
                        name: 'line',
                        type: 'line',
                        lineStyle: {
                            normal: {
                                color: '#2f4554'
                            }
                        },
                        smooth: true,
                        showSymbol: false,
                        data: myRegression.points,
                        markPoint: {
                            itemStyle: {
                                normal: {
                                    color: 'transparent'
                                }
                            },
                            label: {
                                normal: {
                                    show: true,
                                    formatter: myRegression.expression,
                                    textStyle: {
                                        color: '#333',
                                        fontSize: 14
                                    }
                                }
                            },
                            data: [{
                                coord: myRegression.points[myRegression.points.length - 1]
                            }]
                        }
                    }]
                });
            });
        </script>
    </body>
</html>